六角法兰面自攻螺钉(GB/T 16824.2—1997)
六角法兰面自攻螺钉(GB/T 16824.2—1997)
六角法兰面自攻螺钉(GB/T 16824.2—1997) mm |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||
标记示例: 螺纹规格为ST 3.5、公称长度 l=16mm、镀锌钝化的C 型六角法兰面自攻螺钉的标记: 自攻螺钉 GB/T 16824.2 ST 3.5×16 |
|||||||||||||
螺纹规格 |
ST 2.2 |
ST 2.9 |
ST 3.5 |
ST 4.2 |
ST 4.8 |
ST 5.5 |
ST 6.3 |
ST 8 |
ST 9.5 |
||||
P |
0.8 |
1.1 |
1.3 |
1.4 |
1.6 |
1.8 |
1.8 |
2.1 |
2.1 |
||||
a max |
0.8 |
1.1 |
1.3 |
1.4 |
1.6 |
1.8 |
1.8 |
2.1 |
2.1 |
||||
dc |
max |
4.5 |
6.4 |
7.5 |
8.5 |
10.0 |
11.2 |
12.8 |
16.8 |
21.0 |
|||
min |
4.1 |
5.9 |
6.9 |
7.8 |
9.3 |
10.3 |
11.8 |
15.5 |
19.3 |
||||
c min |
0.3 |
0.4 |
0.5 |
0.6 |
0.6 |
0.8 |
1 |
1.2 |
1.4 |
||||
s |
公称 |
=max |
3.0 |
4.0 |
5.0 |
5.5 |
7.0 |
7.0 |
8.0 |
10.0 |
13.0 |
||
|
min |
2.86 |
3.82 |
4.82 |
5.32 |
6.78 |
6.78 |
7.78 |
9.78 |
12.73 |
|||
e |
min |
3.16 |
4.27 |
5.36 |
5.92 |
7.55 |
7.55 |
8.66 |
10.89 |
14.16 |
|||
K |
max |
2.2 |
3.2 |
3.8 |
4.3 |
5.2 |
6 |
6.7 |
8.6 |
10.7 |
|||
K |
min |
0.85 |
1.25 |
1.6 |
1.8 |
2.2 |
2.5 |
2.8 |
3.7 |
4.6 |
|||
r1 |
min |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.2 |
0.3 |
0.4 |
0.4 |
|||
r2 |
max |
0.1 |
0.2 |
0.2 |
0.2 |
0.3 |
0.3 |
0.4 |
0.5 |
0.6 |
|||
y 参考 |
C 型 |
2 |
2.6 |
3.2 |
3.7 |
4.3 |
5.0 |
6.0 |
7.5 |
8.0 |
|||
F 型 |
1.6 |
2.1 |
2.5 |
2.8 |
3.2 |
3.6 |
3.6 |
4.2 |
4.2 |
||||
l 商品规格范围 |
4.5~16 |
6.5~19 |
9.5~22 |
9.5~25 |
9.5~32 |
13~38 |
13~38 |
16~50 |
19~50 |
||||
l 公称长度系列 |
4.5,6.5,9.5,13,16,19,22,25,32,38,45,50 |
||||||||||||
技 术 条 件 |
|||||||||||||
材 料 |
钢 |
||||||||||||
螺 纹 |
标 准 |
GB 5280 |
|||||||||||
机械性能 |
标 准 |
GB 3098.5 |
|||||||||||
公差 |
产品等级 |
A |
|||||||||||
标 准 |
GB 3103.1 |
||||||||||||
表面状态 |
|
镀锌钝化按GB 5267 |
|||||||||||
验收及包装 |
|
GB 90 |
质量 kg |
|||||||||
螺纹规格 |
ST2.2 |
ST2.9 |
ST3.5 |
ST4.2 |
ST4.8 |
ST5.5 |
ST6.3 |
ST8 |
ST9.5 |
公称长度/mm |
每1000件钢制品的质量 ≈ |
||||||||
4.5 |
0.156 |
|
|
|
|
|
|
|
|
6.5 |
0.192 |
0.418 |
|
|
|
|
|
|
|
9.5 |
0.247 |
0.513 |
0.827 |
1.15 |
1.89 |
|
|
|
|
13 |
0.310 |
0.623 |
0.988 |
1.38 |
2.21 |
2.71 |
3.75 |
|
|
16 |
0.364 |
0.718 |
1.13 |
1.58 |
2.47 |
3.06 |
4.23 |
7.73 |
|
19 |
|
0.813 |
1.26 |
1.78 |
2.74 |
3.41 |
4.71 |
8.52 |
15.38 |
22 |
|
|
1.40 |
1.98 |
3.01 |
3.76 |
5.19 |
9.32 |
16.62 |
25 |
|
|
|
2.18 |
3.27 |
4.12 |
5.67 |
10.11 |
17.86 |
32 |
|
|
|
|
3.89 |
4.94 |
6.79 |
11.97 |
20.75 |
38 |
|
|
|
|
|
5.64 |
7.75 |
13.56 |
23.23 |
45 |
|
|
|
|
|
|
|
15.42 |
26.13 |
50 |
|
|
|
|
|
|
|
16.74 |
28.19 |